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019703 |
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armpun |
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|a armpun
|c armpun
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|a 574
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| 100 |
1 |
0 |
|a Moss, Brian
|9 28232
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| 245 |
1 |
0 |
|a Ecology of fresh waters :
|b man and medium /
|c Brian Moss
|
| 250 |
|
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|a 2nd ed..
|
| 264 |
|
1 |
|a Oxford :
|b Blackwell Science,
|c 1988
|
| 300 |
|
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|a 415 p. : il.
|
| 650 |
|
7 |
|a Agua potable
|9 24562
|
| 650 |
|
7 |
|a conservacion de los recursos naturales
|2 LEMB
|9 16172
|
| 650 |
|
7 |
|a ecologia acuatica
|2 LEMB
|9 28065
|
| 650 |
|
7 |
|a ecologia marina
|2 LEMB
|9 15935
|
| 650 |
|
7 |
|a Ecología
|9 4970
|
| 650 |
|
7 |
|a Medio ambiente
|9 3975
|
| 650 |
|
7 |
|a proteccion del medio ambiente
|2 LEMB
|9 10708
|
| 650 |
|
7 |
|a recursos hidricos
|2 LEMB
|9 4717
|
| 942 |
|
|
|c LB
|2 cdu
|
| 945 |
|
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|a Lryt
|d María Elena de la Cal
|c 1796
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